Disk plow.



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max PLOW. APPLIUATIOH FILED MAYfL'lQlO.

Patented Jan.23, 1912.

5 SHEETS-SHEET z.

0. MOG. COX.

DISK PLOW.

APPLICATION FILED MAY4, 1910 Patented Jan.- 23, 1912.

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'nIsKrLow' Specification or Zetters Eatent.

Patented Jan. 23,1912.

Application filed May 4, 1910. Serial No. 559,278.

Toni] whom it mag/concern: v

lie it known that L. ()sc:.\n lllmint iisn tox. iritizen of thev United States, residing at llainview, in the county of Hale and State of Texaghave invented a new and useful Disk Plow, of which the following is-aspecification.

ily invention relates to .disk plows and has special reference to that (class of agricultural machinery ii /which a gang of plows or. Cultivators is li'ranged diagonally with respect to the line of travel and drawn over .a field by means of a traction engine.

the plow and'cause the My invention has for its object the provisions of means whereby the steering or carrying wheels may be actuated from and by th traction engine to positively guide same to'follow, di rectly behind the ngine. l

i -further object oft-he invention I is to provide means whereby the gang of plows may be arranged at varying angles to the line of trave and also-to provide means \vherebv the frame may be kept level under various loads. l

These objects, and such other incidental objects as will hereinafter appear, are attained by the use of the mechanism illustrated in the accompanying drawings, and the invention consists in certain novel features of the same whichwill be hereinafter first fully described and then more specifically pointed out in the appended claims.

In the drawings :Figure 1 is a plan View of my improved disk plow, the traction engine being omitted. Fig; 2 is a similar view of the main supporting frame, showing the carrying and guiding wheels arranged at a different angle as though the machine was turning a corner. Fig. 3 is a side elevation of the improved machine's-bowing the end disk or plow and omitting the other disks of thegang for the purpose of avoiding' contusion in the illustration. Fig. 4 is a detail sectional elevation taken on the line '-l.-l of Fig. 1. Fig. 5 is a detail sectional view on the line 55 of Fig. 1. Fig. 6 is a detail sectional view on the line 6-45 of F 1. Fig. 7 is a detail sectional view on the line 77 of Fig. 1. Fig. 8 is a detziil section taken on the line 88 of Fig.

1. F ig.'9 is a perspective view of the frame detached. Fig. 10 is a detail horizontal section taken on the line lO-l0 of Fig. 4. Fig. 11 is a longitudinal section taken on the line 11- 11 of Fig. 10. Fig. 12 is a le met in the travel of the machine.

tail sect-ion taken on the line 12L2 of Fig. 10. Fig. 13 is-n detail perspective view of one of the latches for holding plows in itsadjuSted position.- F 14 is a, diagrammatic view showing the machine connected with a traction engine."

in carrying out my invention, I employ a diagonal beam 1 that is, it is normally at an angle to the line of draft, saidbeam consisting of upper and lowermembers which are held in their proper spaced re lation by spacing blocks 2 and are rigidly.

secure together by bolts or rivets of any convenient form. "The members of this beam will be preferably constructed of metallic bars and all parts of the frame wherever it .is possible, will be-constructed of metal in order to obtain the requisite strength Without undueweight. Projecting rearwardly and downwardly from the beaml. in the or di'nary workin position of the structure, are a series 0 brackets or bearings-3 in which is secured a rod has shown. To the upper side of the beam 1, I secure a series 0 standards 5 which'are curved rearwardly, as shown most clearly in Fig. 4;, and in the outer upper ends of these standards I journal a rock shaft 6 upon which I provide a number of segmental racks 7, which may be formed integral with the rock shaft or secured rigidly thereto, as will be readily understood. Adjacent each one of the segthe gang of mental racks 7, I mount loosely upon the rock shaft a lever 8 which carries a springcontrolled latch 9 adapted to engage the rack 7 and thereby lock the lever to the rack so that a movement of the rock shaft will be transmitted to the lever and as will pres ently appear to a plow connected therewith. To the rear end of each lever 8, there is pivoted the ,upper ends of links 10 which areprovided near their lower ends with longitudinal slots 11 to receive a bolt 12 carried by the upper end of a standard or shank 13', the lower end of the said standard being formed into a hub 14 through which is inserted the bolt 15 by which a disk plow 16 is secured in place. A spring 17 is coiled .around the links 10 between the bolt 12 and a pin 18 insertedthrough the links near the upper ends thereof, and this spring serves to hold the plow disk to its work, while at the same time permitting it to yield to large stones or other obstructions which may be Forks or braces 19 are hung-loosely on the rod or shaft 4 and extend downward and rear ward therefrom to engage the bolt 15, and .a nut 1 is applied to' the end of the said bolt re.

mote from the disk 16 so as to bind the ends of the braces or forks 19 and the;disk '16 firmly against oppdsite ends :of the'huloorsleeve 14, as shown clearly inl ig, 8, whereby the disk will befirmly secured to and car ried by the shank 13;and'the links 11. ,It will be readily seen that by adjusting the lever 8 so as to engage the latch 9 in'the rack 7 at any desired point of the same, the individual. cultivator disks may be set to cut to any desired depth, and the machine thus regulated according to'the nature of the ground to be treated or to compensate for wearing of the disks. Some of the disks may be in the same manner raised entirelyfrom the ground, while others may be permitted to act thereon so that the furrows may be made of any desired width or at any desired distance apart.

Secured to the beam 1 and extending forwardlythercfrom is an U-shaped frame 21, the front portion of which is usually at substantially right angles to the line of draft or travel 121 the machine. The frame I this frame for a purpose which will presof the beam and of .21 is shown'as a beam of I-form in cross section with the web cutaway throughout a portion of the length of the front part of ently appear, and secured to the top fiange sufficient length to extend to each side of the cut away portion of the web is a truss or arch 22, which serves to stiffen the frame 21 where the web is omitted, and centrally in this arch there is secured a king bolt or pivot 23 serving as a pivot for a lever 24, which latter is proends of the links 26 are forked, as shownmost clearly in Fig. 3, so as to more firmly engage theends of the lever 24, and the ends 'of the links distant from the lever 24 are pivotally. attached to the inner ends of levers 29 and 30 which are rigidly secured to standards 31 having their lower ends 32 turned outward and provided with threaded j sockets, as will be readily understood on reference to Fig. 6. One of these standards 31 'is journaled in a suitable bearing 33 provided therefor at the end of the beam 1,

while the other standard 31 is journaied in the end-of amovable beam 34pivoted, at 35, to the-shorter side 36 of the U-shaped frame 21 and extending'across the said frame and provided at its free end with a bearing 37 to receive the other standard 31, as will ha 7 understood; This vibratory beam 34 carries a pin 38 which is adaptedto engage any one of a series of openings 39 formed in the longer side of the frame 21 and describingv an are having the pivot of the said beam 34 as its center.

The lever 29 which is secured to the,

standard 31 at the front of the machine'and on the longer side thereof extends ou twardly beyond the lever, and to its outer end is pivotally attached the front end of a conver 24 Which is connected with the traction engine by meansoficables 43 extending forwardly from said lever and having their front ends crossed and attached to the front axle of the engine, as indicated in Fig. 14. The rear ends of these cables are connected to the main lever 24, at opposite sides of the pivot thereof, by -springs 44 constituting yieldable or elastic connections between the cables and the lever whereby the cables'will be kept taut at all times notwithstanding any vibration from the engine or the pull due to irregularities in the surface of the ground. The supporting and guiding wheels 45 are provided with central hubs 46 through which spindles 47 are inserted; the said spindles being provided with threaded'inner ends 48 adapted to engage the socket-s in the lower ends 32 of the standards 31. The hub 46 has flat or square ends, one of which is adapted to bear squarely against the extremity of the standard 31, while the other end of the hub bears against a collar or annular flange 49 on the spindle 47:;jwhereby extended surfaces are. provided as receive the thrust of the wheel due toiit's travel through'the ground and, consequently, the life of the wheels is prolonged ,and the steadiness of the machine increased. The wheels are provided with wide treads 5Q and have annular ribs 51 at the centers of the said treads which are-adapted totake into the ground and thereby guide the plow in its travel.

When the wheels 45 are arranged, as.

turn a corner for any other reason, the en;- gme IS StGBI'Bd- 1n the usual manner sofas to idly secured to a third standard 31 jour-' %ed in a bearing 42 provided thereforin I make the turn, and theofithe steer-- ing axle will exert a uptinf one of the end of thefield bereached or it be desired to Y newest respective bearings-and bring the carrying wheels into a'posi'tion at an angle to the; longitudinal line of the frame 2l, as shown in Fig. 2, whereupon the ribs 51 will cause the machine to follow the path of the traction engine by reason of their engagement with the ground below the surface of the l The several standards 31 have their up I per engs seated "inicross bars 52 through the ends which pass elongated bolts 53 which are engaged'in ln s 54.- at the ends of the beams land 34. uts 55 are mounted upon the elongated bolts 58 above the cross bar 52 arid bear against the same so as to clamp the same to the standards 31 and the beams. It Will thus be seen that I have provided simple and efiicient means for adjusting the height-of the machine or the depth to which the carrying wheels may take into the ground. Should it he desired to have the supporting frame at a greater or less distance from the ground, the nuts 55 are sad justed upon the bolts'53 so as to forcethe cross bars 52 toward the beams below the i same or permit themto be. pushed upward from the beams by reason of the standards 31 sliding upward through the beams when i I the weight of the machine is placed there- By adjusting thestandards to differs ent degrees. the frame may be brought into a perfectly level position.

It sometimes happens that the draft upon the plows will increase orv diminish and the front end of the frame assumes a higher or lower position than the one for which the machine has been adjusted. The vibratory beam-34 enables. me to overcome this trouble and restore the frame to a level condition. By moving the free end-of the lever to the rear. the support furnished by the intermediate steering wheel is shifted rearwardly and, of course, the front endof the frame will then descend. To accomplish this adjustment, the pin 38 is removed and the beam 34 then moved forward or baclo ward upon its pivot to bring the wheel into the proper position, the pin 38 being then again engaged in one of the openings 39. The pivot pins. hy which the several links and levers controlling the steering wheels are (:Onncclcd. are then removed and the several parts ad usted. relative to each other. to compensate 'for the shifting of the intermediate wheel after which the pivot pins are inserted through thc alined openings to maintain the wheels in their positi'im parallel with the draw bar, as will bei-eadilyiinderstood; The wheels will then turn when the traction engine turns in .the

manner previously described so that the gang of plows will travel directlyback' of the traction engine.

A draft bar 56 is pivoted at its rear end;

between the members of the beam 1, upon a standard 57 which rises from the said 1 beam and is equipped with pulleys 58 and 59 which will be presently referred to more in detail. The draft bar 56 extends forward between the top and bottom flanges of the 'frame2l where the web is omitted andis "held against lateral. movement in the front end of the said-frame by means of pins 60 180 said frame where th web is which are insdgted'through perforations" 61 in the flanges (if omitted to beafi'against the opposite sides of. i the draft bar, asshown most dearly in Fig. 5,

The perforations-61 permit the said pins 60 to be adjusted so as to hold thejdraft ba'r at any desired angle tot-he frame 21, aswill be readily understood. Ordinarily, the draft bar will extend centrally through the frame.

21 so that the gang of plows will assume the angle shown, in Fig. 1 relative to the line of travel. Should it he desired, however, to

have the gang of plows assume adifi'erent angle, the pins 60 are removed and the draft bar swung upon its pivotal connection with the standard 57 toward one side'of the frame and the pins 60 then inserted so as to hold the draft bar in its new position...

The carrying and guiding wheels will automatically accommodate themselves to this I I.

new position of the gang of plows or of the draft bar as they areheld to their position.

relative to the traction engine by the cables 43. The machine will, therefore, follow directly behind the traction engine.

The drawbar 56 is provided with a chamo's ber 62 in its enlarged front end and with openings 63in its sides communicating with said chamber. Mounted transversely in the ends of the said chamber, and project ng through the openings in the opposite sides of the draw bar, are latches (34 consisting of slides provided on their upper sides with {stops 65 adapted to impinge against the isides of. the draw bar to limit the inward movement of the slides and provided in their opposed edges with notches or recesses 66 and hooks (37 projectingtin said recesses, the

said hooks having beveled outer sides 68. Adjacent the stop 65, a'pin 69 projects longitudinally from the end of the sliding latch and around this pin is coiled a-spring 70 which bears against the end of the latch and also against the end of a housing 71 projecting from the side of the draw bar. the end of the latch opposite the pin 69 and stop 65, I secure the end of a cable 72 which passes around a pulley 73 Within the chamber 62, and also'around pulley 74; on the side of thedraw baryjand then eie.

tends forward" to the cab ofthe traction engine where it-may be connected to a lever or otherwise disposed to be conveniently operated by the engineer. A longitudinal slot 75 is formed in the top and bottom of the draw bar and through the said slots,

. and the chamber 62 in the said bar, a lockin'g pin 76 extends vertically. This looking pin is. carried by a draw head or coupling 77 slidably mounted on the front endof the draw bar and provided at its front end with perforated lugs or projections 78 adapted to receive a coupling pin whereby the plow may be coupled to the draw bar of a traction engine, the draw bar being indicated in Figs; 3 and 4. Cables 81 are attached to the said lever 80, at opposite sides of its fulcrum, and extend rearward from the lever to pass around the pulleys 58 and 59, the rear ends of the cables being secured to the opposite ends of a'double crank arm 82 secured rigidly to the rock shaft 6 at the center of the same. The lower cable 81 passes under the truss or arch 22 and is guided bya roller 83 on the under side of the same. The standard 57 on which the pulleys 58 and 59 are mounted is disposed at the center of the beam 1 and consequentlyserves to keep the cables 81 in line with and directly over the draw bar.

It-is believed the operation of the various parts of the machine will be readily understood from the foregoing description, taken in connection with the accompanying drawings. The traction engine is coupled to the draw head or coupling 77, as stated, and, if the plows are to be permitted to take into the ground, the cable 72 attached to the rear latch 64 is drawn upon by the engineer, thereby causing the said latch to slide transversely of the draw bar against the pressure of the spring acting thereon, and, consequently, withdrawing the hook 67 from its engagement with the pin 76. The forward movement of thetraction engine will then pull uponthe coupling or draw head 77 so as to cause the same to move forward over the draw bar, and the pin 76 will, of course, move forward through the slots 7 5. As the pin 76 approaches the front ends of the slots it will strike the beveled end 68 of the front latch 64 and will thereby cause the said latch to-move transversely of the draw bar 4 to carry the hook 67 out of thepath of .the pin-'76. As soon as the pin has cleared the hook and entered the recess 66, the spring 70 will at once return the slide to its normal position, whereupon the pin 76 will be engaged by the hook of theslide and the coupling or draw head locked to the draw bar.

The engineer .will then, of 'course, release.

the-hold on the cable attached to the rear slide. When the coupling or draw .head moves forward, the lugs or bearings 79 will, of course, move forward and vibrate the lever 80 upon its fulcrum, and the vibration ot the said lever will be transmitted through the cables 81 to the lever 82 so that the rock shaft 6 will be turned to carry the disks or plow blades into the ground. The lower end. of the lever 80 is slotted, as indicated at 83*, to accommodate the forward horizontal movement of the pivot pin connecting the same to the lugs 79, and a plurality of perforations or openings 84 are provided in each of the lovers 8" and 82 so that the cables 81 may be attached at different points, and the throw of the rock shaft consequently varied, as may be'desired. lVhen it is desired to raise the gangs of plows so as to permit the machine totravel from one field to another or to a barn, the cable attached to the front slide 64 is drawn upon by the engineer and the said slide will thereupon be released from'the pin 76 which is carried by the draw head; The engine is then backed sufiiciently to. move the coupling or draw head rearward upon the draw bar and cause the saidlocking'pin to be engaged by the rear slide .or latch 64. vTherearward movement of the draw head or.

coupling will. of course, be transmitted directly to the lever 80 so that the lower end of the same will be swung forward and the lever 82, consequently, given similar, movement so as to rotate the rock shaft 6 and raise the disks or blades from the ground.

While the plows are raised, the engine may be backedso as to brin the gang of disks close to a fence o'r, to t e side of the field so that the return trip of the machine across the field will not leave a part of the ground unturned. Tgie plows having been thus brought into pos v tion at the side .of the field, the engineer pulls upon the cable 72 attached to'the rear slide so that the locking pin 7 6 may move forward when the engine starts; After the engine starts, the cable is released and the locking pin then moves to the front latch and is automatically engaged by it, the result being that the plows are first lowered tq the ground and then drawn forward through the same.

My improved plow will travel directly in the path @taken by the traction engine and may be utilized for forming furrows of any desired number or distance apart. The several parts of. the machine are simple in their construction and are compactly arranged so that there is'no excessive weight to be drawn by the engine and, consequently, thereis no unavoidable expense attendant-g brought to any desired adjustment.

The advantages of the construction and of the method of operation will bereadilyapparent to those skilled in the art to which the. invention appertains, and while I have described the principle of operation of the invention, together with the apparatus which I now consider to be-the best embodiment thereof, I desire" to have it un derstood that the apparatus shown is merely illustrative, and that such ehangesmay he made when desired as are within the scope of theclaims appended hereto.

It will be noted that each wheel 45. has a centralperipheral cutter flange-or rib which is intended to hold againsta 1 side pressure producedby the plows when at Work:

Ha'vingthus described my invention, vyhat I claim is r I 1. The combination with a supporting frame provided with adiagonitlly arranged beam and plows carried thereb gjofa lever mounted on thefra'ine and arranged to be coupled to a traction engine, a supportin wheel at one end of the diagonal frame an provided with a carrying standard p'ivotally mountedon the same end of the diagonal beam, at second supporting wheel provided 'witha carrying standard ivotally mounted on the other end off'the earn, the wheels projecting from relatively opposite sides of the beam, a third supporting wheel intermediate of the first named 'Wheels; and on the same side of' the frame? as the second wheel,-said third wheel having a carrying standard pivotallymounted on the frame, a lever fast to each standard, a connecting bar between the corresponding ends of the levers of the second and'lhird wheels, the

lever of the third wheel extending'beyond the standard on the side thereof remote from the-portion of the lever connected tothe lever of the second wheel. and link connections between the lever mounted on" the frame and thelevers connected to the standards of'the first and third named wheels, the

link connectionto the lever of the third wheel being to that portionof the lever remote fromtheportion connected to the lover of the second wheel; I

2. The combination with V a supporting frame provided with a diagonally arranged beam and plows carried thereby, ofa lever mountedon the frame and arranged to be.

coupled to a traction engine, a supporting wheel at one end of the diagonal frame'and provided. with a earryingstandard pivotally mounted on the same end of the diagonal beam, a second supporting wheel provided with a carrying standard ivotally mountcd on the other end of the projecting from relatively holding; it in adjusted positions about its; 1.; pivotal connection withrelation to 'the sup vid'ed with a series of perforations at its.-

] and bearing against o posite sideslefthe draw bard a vibratory earn pivoted at one-- {and to one/side of the frame'and projecting; beyond bppositc side thereof, jncansfori 'securin tried by the said stander 'taneously rotate the some.

am; the wheels opposite sides of thebeam, a third supporting weenie terniediate of the first namedwheels and on the same side ofthe frame as the-second";

wheel, said third wheel having. a carrying l al'd pivotally mountggd: on the frame,

a'levervfast to each stand "rd, 9, connecting" bar between the correspon ing ends. of the levers of the second and third wheels, the 5 lever ofv the. third wheel extending beyond v the standard on the sidethereof remote from 2'5 the portion of the lever connected-to the lever of the second Wheel, and link connections between the lever mounted on the frame and the leversconnected to the stand- 1 ards of the first and third named wheels, these link connection to the lever of the third. :12 wheel being to that portion of the lever res mote from the portion connected to thelever of the second wheel, the mounting for the third wheel together Withits standard and; levercomprising a movable beam pivotally' connected at the end remotefrom the wheel tothe frame and Provided with means forv eoportin frame. i p i 3. T e combination ot a supporting frame, a lever .pivotally mounted-thereon and'pro r ends, a plurality of standards mounted ins; the supporting fran1e,gand carrying. guide ing wheels, levers secured to the said standards and provided with series of perform-' 3 tions in their ends, links provided with. se-p ries of perforations, in their ends, and pivot; 10.0 pins inserted throughalined perforations in he ends of the linksand in the ends of the several lcvers. H v .i

4; The combination of a supporting frame, a gang of lows mounted thereon, a draw lflfi uh bar'pivotal y securedto the rear side of the. frame and projecting through the-front side thereof, retaining devices adjustably mo1uit-. ed in the front side of the supporting frame fe/ said beam at various' 'points ofthesai posite side of the frajne, stand. ards mommain the end of the aid vibratory beam and in the ends of the ircar beam of. the supporting framagliiding wheels cars v h and connections between the said several standards tolsimul} 5. The combination of a su porting frame, a gang of plows carried. therehy and mounted 1 diagonally upon the; same, and supporting and guiding wheels at each side of the train? of a standard, .en d, saidstandardhein passedthrough enppeningof tile-immean thereby rotetahly mounted and free to move vertically, a cross her seated in the upper frame.

and wheels contro upon said frame, supporting wheels for the frame pivotally connected'thereto and also connected to the lever for simultaneous movement in the same direction, said lever being adapted to be connected to a traction engine, a draw bar pivoted atits rear end to the rear portion of the frame and pro-. 20-

jecting between the flanges of .the front transverse beam and beyond the front end of the frame and adapted to be there con;-

nected tothe traction engine, and retaining pins adapted to the openings in the front transverse beam to bear simultaneously against 'opplosite sidesof ,the draw bar for adjusting t; e latter to different angular relations to the sup orti'ng frame, the lever conforming to the changed relation'of the traction engine and frame @due to changes in the 'angu ar relation of the draw bar and 7. The combination of a frame, a gang of plows mounted at the-,rear end of the frame, a beam pivoted to); one side of the frame and projecting beyond the opposite side of-the frame, a standard. mounted in the free end of the beam, and carrying a guiding wheel, standards mounted'at opposite sides of the frame and also carrying guiding wheels, adjustable connections between the several standards, and means for retaining the pivoted beam in its adjusted position.

8. The combination of a substantially triahgular frame, supporting ==vvheels mounted at the front and rear corners of the frame at opposite sidesof the frame, an intermediate supporting wheel connected with the frame in advance of the wheel at the rear corner 'of the same, a ivoted carrier for lfii the intermediate whee r shifting it'longitudinally of the frame, and adjustable connections between the several wheels.

9. The combination o'lfa-supportingframe and a ang of plows 'mounted diagonally upon t e same, supporting and guiding 1 wheels at ea'ch'endof the-gang of plows,

a third supporting'and guiding Wheel arranged in ine and in advance of the rearmost wheel, pivot supports 'for the wheels about the axes of which the wheels may swing in horizontal planes, a lever and link the supporting ed thereby automatically system connectin the pivot supports ofihe wheels togetheror-movement in unison all in the same direction, means for connecting the link and lever system to the steering mechanism of a traction engine, and means for connecting the "supporting frame with the draft devices of the traction-engine, the connectionbetween the traction engine and frame having an extent of free movement. 7

l 10. The combination of a supporting frame and a diagonally disposed beam mounted thereon and carrying a gang of plows, bearings at the ends of the beam; standards mounted in the bearings, support-v ing and guiding wheels carried by the standards, a third standard carrying a g'didin'g and supporting; wheel and mounted on the supporting frame in advance of and in line] with the rear standard and wheel, link and lever connections between the front standard and third standard, and l'everand' link connections between the rear standard-and the third standard, thezlast named link and lever connections being ,on the same side of the respective standards, all said linkiand lever connections operating in unison to move frame, guiding and supporting wheels" mounted at the opposite ends of the gang of plows, a third guiding and support-mg wheel arranged in advance of and in line with and at the same side as the rearmost wheel, standards to which said wheels are connected, means for journaling said standards, -a lever connected to each standard, and link connections between the levers of the standards and the lever mounted at the front of the frame, whereby the shifting of said lever affects the turning of the several standards in unison in the same direction and the consequent turning of the wheels. In testimony, that I claim the foregoing as my own, I have hereto aflixed my signature in the presence of two witnesses. OSCAR LIIcGRUDEROQX.

Witnesses:

J OHN H. Smears, W. L. Cox. 

